CN219316353U

CN219316353U - Height-adjustable construction scaffold for construction site

Info

Publication number: CN219316353U
Application number: CN202320263543.7U
Authority: CN
Inventors: 张帆渡; 刘拾; 霍欣磊
Original assignee: Qingdao No 1 Construction Group Co Ltd
Current assignee: Qingdao No 1 Construction Group Co Ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-07
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a construction scaffold with adjustable height for a construction site, which comprises a frame body and a platform, and further comprises a lifting mechanism positioned at one side of the frame body and used for conveying materials up and down, wherein the frame body comprises a bottom frame, four supporting columns, a bottom plate is arranged on the bottom frame, a driving mechanism used for adjusting the lifting of the platform is arranged on the bottom plate, the platform is connected with the bottom frame through two X-shaped brackets, the platform comprises a pedal, a cover plate rotationally connected with the pedal, and an L-shaped plate, universal wheels are arranged at four corners of the bottom frame, and a plurality of guardrails are transversely arranged between the four supporting columns and longitudinally provided with an escalator.

Description

Height-adjustable construction scaffold for construction site

Technical Field

The utility model relates to the field of building tools, in particular to a height-adjustable construction scaffold for a building site.

Background

In building decoration construction, no matter be hot-water heating electrician process, carpenter's preparation process or wall whitewash spraying process, the scaffold is one of the requisite tools, by carpenter's master with the flitch, the plank is nailed at the job site and is formed, in the fitment in-process, the operator transports the landing plate of scaffold with required fitment articles, and stand on the landing plate, and then can accomplish the fitment work to wall or wall top conveniently and high-efficient, traditional equipment scaffold is in comparatively later state owing to erect instrument itself and construction technique and use safety management work, the efficiency and the flexibility of use are poor, can not adapt to the operation of different altitudes, and the workman needs the upper and lower scaffold of oneself to transport the material, intensity of labour is big.

Patent CN201920691421.1 discloses a scaffold comprising: the device comprises a frame body, a castor assembly arranged below the frame body and a support assembly arranged on the frame body; the frame main part is whole to be cuboid frame construction, the frame main part includes: a plurality of vertical rods arranged vertically and a plurality of transverse rods arranged transversely; the support assembly comprises an upper pedal and a lower pedal, the upper pedal and the lower pedal are staggered in the height direction of the scaffold, and the width of the upper pedal is 1/3-2/3 times of the length of the transverse rod; the width of the lower pedal is 1/3-2/3 times of the length of the transverse rod. Compared with the related art, the utility model has the following beneficial effects: the design of upper and lower footboard structure is convenient for go up the unloading, can stack the template temporarily simultaneously. And the quick-dismantling connecting assembly is adopted, so that the assembly and the disassembly are quick. Can be suitable for the uneven ground. The pedal is movably lapped, the height of the pedal is adjustable, and the pedal is suitable for different layer heights. When the scaffold is used for conveying materials, workers are required to get down from the scaffold, and then the materials are manually conveyed, so that the labor intensity is high, and the efficiency is low.

Patent CN201822018501.9 discloses a scaffold, including montant, diaphragm, horizontal pole and stiffening rod, montant, diaphragm, horizontal pole pass through scaffold connecting elements interconnect, and montant and horizontal pole are fixed connection each other and are formed the stationary plane, and two sets of stationary planes are connected respectively at a plurality of diaphragm both ends, form support frame major structure, and fixed surface is last to have the stiffening rod that the slope set up, and scaffold connecting elements still fixed mounting has the net hook. The scaffold connecting component is a cross plate formed by fixing two partition plates, eight groups of three support arm connecting subunits are fixedly arranged on the cross plate, each three support arm connecting subunit consists of three mutually perpendicular support rods, the support rods of the eight groups of three support arm connecting subunits are spliced to form six groups of fixing devices, and the fixing devices are used for connecting vertical rods or transverse plates; through set up arc end branch and I-steel branch of different quantity and different relative positions on three support arm connection subunit, can assemble the connecting elements who forms different shapes at last, be suitable for different application scenes. The scaffold cannot adapt to continuous operation at different heights, the scaffold needs to be overlapped again, and the operation efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the height-adjustable construction scaffold for the construction site is provided, the problem that the height of the scaffold cannot be adjusted is avoided, the problem that workers go up and down the scaffold to carry materials is avoided, the labor intensity is high, and the efficiency is low.

In order to solve the technical problems, the technical scheme includes that the height-adjustable construction scaffold for the construction site comprises a frame body and a platform, and further comprises a lifting mechanism which is positioned at one side of the frame body and is used for conveying materials up and down, wherein the frame body comprises a bottom frame and four support columns which are arranged at four corners of the bottom frame, a bottom plate is arranged on the bottom frame, a first driving mechanism which is used for adjusting the lifting of the platform is arranged on the bottom plate, the platform is connected with the bottom frame through two X-shaped brackets, the two X-shaped brackets are connected with each other through a first connecting shaft and a second connecting shaft, each X-shaped bracket comprises a first connecting rod and a second connecting rod, one end of each first connecting rod is hinged with the platform, the other end of each first connecting rod is connected with the bottom frame in a sliding mode, one end of each second connecting rod is hinged with the bottom frame, the other end of each second connecting rod is connected with the platform in a sliding mode, a plurality of guardrails are transversely arranged between the four support columns, the platform is longitudinally provided with a escalator, the platform comprises a pedal, a cover plate which is connected with the pedal in a rotating mode, and an L-shaped plate which is connected with the support columns and is used for supporting the pedal and the cover plate.

Further, elevating system includes lift platform, lift platform passes through second actuating mechanism sliding connection with the support column, second actuating mechanism is including passing lift platform and lift platform threaded connection's screw rod, locates the first slider of lift platform one side to and locate the first slide on the support column with first slider looks adaptation, the screw rod bottom passes through the bearing rotation with the bottom plate and is connected, is equipped with the worm wheel at the screw rod top, is equipped with the fixed plate at the support column top, is equipped with on the fixed plate with worm wheel engaged with worm, and the motor that is connected with the worm.

Further, the first actuating mechanism is including locating the first connecting block on the first connecting axle, locates the second connecting block on the second connecting axle, is equipped with the third connecting block with bottom plate fixed connection in first connecting block one side to and pass first connecting block, the screw that one end of second connecting block passes through bearing and third connecting block rotation connection, be equipped with drive screw pivoted driving piece at the other end of screw.

Further, a connecting plate is arranged on the transverse side surfaces of the bottom frame and the L-shaped plate, a sliding groove is arranged on the connecting plate, and one ends of the first connecting rod and the second connecting rod are in sliding connection with the platform and the bottom frame through the sliding groove.

Further, the four corners of the platform are provided with second sliding blocks, the support column is provided with second sliding ways matched with the second sliding blocks, and a plurality of limiting holes for limiting and preventing sliding and limiting pins penetrating through the limiting holes are arranged in the vertical direction of the support column and the second sliding blocks.

Further, universal wheels for movement are provided at four corners of the bottom frame.

Further, the driving piece is a hand crank, fixing holes for fixing the hand crank are formed in the hand crank and the second connecting block, and fixing pins penetrate through the fixing holes.

The height-adjustable construction scaffold for the building site has the advantages that the first driving mechanism is arranged, the lifting of the platform can be adjusted, the scaffold is suitable for operation at different heights, the second driving mechanism is arranged, materials can be mechanically transported to the operation platform, the labor intensity of workers is reduced, the feeding efficiency is improved, and the operation efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model at A;

FIG. 3 is a schematic view of the structure of the platform of the present utility model;

FIG. 4 is a schematic diagram of the structure of the present utility model at B;

fig. 5 is a schematic structural view of the first slider and the first slideway according to the utility model.

Detailed Description

The utility model is described in detail below with reference to the attached drawings and specific embodiments:

as shown in fig. 1-3, the height-adjustable construction scaffold for construction sites comprises a frame body and a platform, wherein the frame body comprises a bottom frame 25, a lifting mechanism positioned at one side of the frame body and used for conveying materials up and down, four support columns 1 arranged at four corners of the bottom frame 25 and the platform, a bottom plate 2 is arranged on the bottom frame 25, a first driving mechanism used for adjusting the lifting of the platform is arranged on the bottom plate 2, the platform is connected with the bottom frame 25 through two X-shaped brackets, the two X-shaped brackets are connected through a first connecting shaft 3 and a second connecting shaft 4, the X-shaped brackets comprise a first connecting rod 5 and a second connecting rod 6, the first connecting rod 5 is hinged with the second connecting rod 6 at the middle position, one end of the first connecting rod 5 is hinged with the platform, the other end of the first connecting rod 5 is in sliding connection with the bottom frame 25, one end of the second connecting rod 6 is hinged with the bottom frame 25, the other end is in sliding connection with a platform, a plurality of guardrails 7 are transversely arranged between four support columns 1, an escalator 8 is longitudinally arranged between the four support columns 1, the platform comprises a pedal 9, a cover plate 10 which is rotationally connected with the pedal 9, and an L-shaped plate 11 which is connected with the support columns 1 and used for supporting the pedal 9 and the cover plate 10, the lifting mechanism comprises a lifting platform 26, the lifting platform 26 is in sliding connection with the support columns 1 through a second driving mechanism, the second driving mechanism comprises a screw 27 which penetrates through the lifting platform 26 and is in threaded connection with the lifting platform 26, a first sliding block 28 arranged on one side of the lifting platform 26, a first slideway 29 which is arranged on the support columns 1 and is matched with the first sliding block 28, the bottom of the screw 27 is rotationally connected with the bottom plate 2 through a bearing, a worm wheel 30 is arranged at the top of the screw 27, a fixing plate 31 is arranged at the top of the support columns 1, the fixed plate 31 is provided with a worm 32 meshed with the worm wheel 30 and a motor 33 connected with the worm 32, the first driving mechanism comprises a first connecting block 12 arranged on the first connecting shaft 3, a second connecting block 13 arranged on the second connecting shaft 4, a third connecting block 14 fixedly connected with the bottom plate 2 is arranged on one side of the first connecting block 12, a lead screw 15 which passes through one end of the first connecting block 12 and the second connecting block 13 and is rotatably connected with the third connecting block 14 through a bearing, the second connecting block 13 can be fixedly connected with the bottom plate 2, so that the stability of rotation of the lead screw 15 can be improved, the lead screw 15 is maintained on a fixed horizontal line, the lead screw 15 is prevented from deviating from a running track, a driving piece for driving the lead screw 15 to rotate is arranged at the other end of the lead screw 15, a connecting plate 16 is arranged on the lateral side of the bottom frame 25 and the L-shaped plate 11, a sliding groove 17 is arranged on the connecting plate 16, one end of the first connecting rod 5 and the second connecting rod 6 is slidably connected with the platform and the bottom frame 25 through the sliding groove 17, a second sliding block 18 is arranged at four corners of the platform, a plurality of sliding blocks 18 are arranged on the supporting columns 1, a plurality of sliding blocks are arranged on the sliding blocks and the sliding blocks 18 and the sliding blocks, the sliding blocks are also fixedly connected with the sliding blocks 20 are arranged on the supporting columns 1 through the sliding blocks and the sliding blocks 20, the sliding blocks and the sliding blocks 20 are fixedly arranged on the sliding blocks, the sliding blocks are fixedly arranged on the sliding blocks, and the sliding blocks 20 and the sliding blocks have the sliding blocks, and the sliding blocks have the sliding blocks and the sliding blocks 20, and the sliding blocks are fixedly arranged, and the sliding blocks are used for and have the sliding blocks and have a limiting and 20.

The application method of the utility model is as follows: according to the height of the operation, the hand crank 23 is rotated, the first connecting block 12 moves rightwards, the first connecting shaft 3 is driven to move rightwards, the first connecting rod 5 moves rightwards in the chute 17, the first connecting rod 5 and the second connecting rod 6 rotate around the middle hinged position, the platform is driven to lift upwards along the second slideway 19, the platform is adjusted to a proper height, the fixing pin 24 is inserted into the fixing hole to fix the hand crank 23, the platform is prevented from sliding downwards, a worker can climb upwards from the escalator 8 in the scaffold to the lower part of the platform, the cover plate 10 is pushed upwards, the opening of the cover plate 10 is drilled, the worker continues to climb upwards and enters the platform, the cover plate 10 is turned back to press the L-shaped plate 11, finally the limiting pin 21 is inserted into the limiting hole 20, the platform is further prevented from sliding downwards, when other materials are needed, the worker can descend from the scaffold or put the other workers on the lifting platform 26, the motor is controlled to convey the materials to the same level as the platform, the operation is continued, the cover plate 10 is taken down after the operation is completed, the original path is returned to the ground.

Of course, the above description is not intended to limit the utility model to the particular embodiments disclosed, but the utility model is not limited to the particular embodiments disclosed, as variations, modifications, additions or substitutions within the spirit and scope of the utility model will become apparent to those of ordinary skill in the art.

Claims

1. Building site is with high adjustable construction scaffold frame, including support body and platform, its characterized in that: the lifting mechanism for conveying materials up and down is arranged on one side of the frame body, the frame body comprises a bottom frame and four support columns arranged at four corners of the bottom frame and a platform, a bottom plate is arranged on the bottom frame, a first driving mechanism used for adjusting the lifting of the platform is arranged on the bottom plate, the platform is connected with the bottom frame through two X-shaped brackets, the two X-shaped brackets are connected with the bottom frame through a first connecting shaft and a second connecting shaft, each X-shaped bracket comprises a first connecting rod and a second connecting rod, the first connecting rod is hinged with the second connecting rod at the middle position, one end of the first connecting rod is hinged with the platform, the other end of the second connecting rod is connected with the bottom frame in a sliding manner, one end of the second connecting rod is hinged with the bottom frame, the other end of the second connecting rod is connected with the platform in a sliding manner, a plurality of guardrails are transversely arranged between the four support columns, and the staircase is longitudinally arranged, the platform comprises a pedal, a cover plate connected with the pedal in a rotating manner, and an L-shaped plate connected with the support columns and used for supporting the pedal and the cover plate.

2. The height-adjustable construction scaffolding for a construction site according to claim 1, wherein: the lifting mechanism comprises a lifting platform, the lifting platform is in sliding connection with the supporting column through a second driving mechanism, the second driving mechanism comprises a screw rod penetrating through the lifting platform and in threaded connection with the lifting platform, a first sliding block arranged on one side of the lifting platform, and a first sliding way arranged on the supporting column and matched with the first sliding block, the bottom of the screw rod is rotationally connected with the bottom plate through a bearing, a worm wheel is arranged at the top of the screw rod, a fixing plate is arranged at the top of the supporting column, a worm meshed with the worm wheel is arranged on the fixing plate, and a motor connected with the worm.

3. The height-adjustable construction scaffolding for a construction site according to claim 2, wherein: the first driving mechanism comprises a first connecting block arranged on the first connecting shaft, a second connecting block arranged on the second connecting shaft, a third connecting block fixedly connected with the bottom plate and a screw rod which penetrates through one ends of the first connecting block and the second connecting block and is rotationally connected with the third connecting block through a bearing, and a driving piece for driving the screw rod to rotate is arranged at the other end of the screw rod.

4. A height adjustable construction scaffolding for a construction site according to claim 3 wherein: the connecting plates are arranged on the transverse side surfaces of the bottom frame and the L-shaped plate, sliding grooves are formed in the connecting plates, and one ends of the first connecting rod and the second connecting rod are connected with the platform and the bottom frame in a sliding mode through the sliding grooves.

5. The height-adjustable construction scaffolding for use in a construction site as claimed in claim 4, wherein: the four corners of the platform are provided with second sliding blocks, the support column is provided with second sliding ways matched with the second sliding blocks, and a plurality of limiting holes for limiting and preventing sliding and limiting pins penetrating through the limiting holes are arranged in the vertical direction of the support column and the second sliding blocks.

6. The height-adjustable construction scaffolding for use in a construction site as claimed in claim 5, wherein: universal wheels for movement are arranged at four corners of the bottom frame.

7. The height-adjustable construction scaffolding for use in a construction site as claimed in claim 6, wherein: the driving piece is a hand crank, fixing holes for fixing the hand crank are formed in the hand crank and the second connecting block, and fixing pins are arranged through the fixing holes.